Propolis is a resin-like material made by bees from the buds of poplar and cone-bearing trees. Lovingly called "bee glue" Propolis is used to build hives, sealing cracks and smoothing the inner surfaces. Honey , Royal Jelly and Propolis all have endless medicinal uses and  Propolis has antiviral, antibiotic , antiallergenic and analgesic properties. It is used to treat fungal infections, ulcers and wounds and has proved effective in the treatment of acne and psoriasis.